package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlGroups entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlGroups
 * @author MyEclipse Persistence Tools
 */

public class MdlGroupsDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlGroupsDAO.class);
	// property constants
	public static final String COURSEID = "courseid";
	public static final String NAME = "name";
	public static final String DESCRIPTION = "description";
	public static final String DESCRIPTIONFORMAT = "descriptionformat";
	public static final String ENROLMENTKEY = "enrolmentkey";
	public static final String PICTURE = "picture";
	public static final String HIDEPICTURE = "hidepicture";
	public static final String TIMECREATED = "timecreated";
	public static final String TIMEMODIFIED = "timemodified";

	public void save(MdlGroups transientInstance) {
		log.debug("saving MdlGroups instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlGroups persistentInstance) {
		log.debug("deleting MdlGroups instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlGroups findById(java.lang.Long id) {
		log.debug("getting MdlGroups instance with id: " + id);
		try {
			MdlGroups instance = (MdlGroups) getSession().get(
					"idv.loveloser.dao.MdlGroups", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlGroups instance) {
		log.debug("finding MdlGroups instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlGroups")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlGroups instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from MdlGroups as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByCourseid(Object courseid) {
		return findByProperty(COURSEID, courseid);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByDescription(Object description) {
		return findByProperty(DESCRIPTION, description);
	}

	public List findByDescriptionformat(Object descriptionformat) {
		return findByProperty(DESCRIPTIONFORMAT, descriptionformat);
	}

	public List findByEnrolmentkey(Object enrolmentkey) {
		return findByProperty(ENROLMENTKEY, enrolmentkey);
	}

	public List findByPicture(Object picture) {
		return findByProperty(PICTURE, picture);
	}

	public List findByHidepicture(Object hidepicture) {
		return findByProperty(HIDEPICTURE, hidepicture);
	}

	public List findByTimecreated(Object timecreated) {
		return findByProperty(TIMECREATED, timecreated);
	}

	public List findByTimemodified(Object timemodified) {
		return findByProperty(TIMEMODIFIED, timemodified);
	}

	public List findAll() {
		log.debug("finding all MdlGroups instances");
		try {
			String queryString = "from MdlGroups";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlGroups merge(MdlGroups detachedInstance) {
		log.debug("merging MdlGroups instance");
		try {
			MdlGroups result = (MdlGroups) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlGroups instance) {
		log.debug("attaching dirty MdlGroups instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlGroups instance) {
		log.debug("attaching clean MdlGroups instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}